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WO2006138507A1 - Utilisation de sangliféhrine dans le virus de l'hépatite c - Google Patents

Utilisation de sangliféhrine dans le virus de l'hépatite c Download PDF

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Publication number
WO2006138507A1
WO2006138507A1 PCT/US2006/023394 US2006023394W WO2006138507A1 WO 2006138507 A1 WO2006138507 A1 WO 2006138507A1 US 2006023394 W US2006023394 W US 2006023394W WO 2006138507 A1 WO2006138507 A1 WO 2006138507A1
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Prior art keywords
sanglifehrin
cyclophilin
formula
macrocyclic ring
binding compound
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PCT/US2006/023394
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English (en)
Inventor
Kai Lin
Beat Weidmann
Kaspar Zimmermann
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Novartis Ag
Novartis Pharma Gmbh
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Priority to EP06784962A priority Critical patent/EP1893211B1/fr
Priority to US11/917,781 priority patent/US20090221598A1/en
Priority to MX2007016068A priority patent/MX2007016068A/es
Priority to AT06784962T priority patent/ATE524183T1/de
Priority to BRPI0613142-5A priority patent/BRPI0613142A2/pt
Application filed by Novartis Ag, Novartis Pharma Gmbh filed Critical Novartis Ag
Priority to AU2006259348A priority patent/AU2006259348B2/en
Priority to CA002611151A priority patent/CA2611151A1/fr
Priority to JP2008517117A priority patent/JP2008546708A/ja
Publication of WO2006138507A1 publication Critical patent/WO2006138507A1/fr
Priority to TNP2007000477A priority patent/TNSN07477A1/en
Priority to NO20080351A priority patent/NO20080351L/no

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/50—Pyridazines; Hydrogenated pyridazines
    • A61K31/5025—Pyridazines; Hydrogenated pyridazines ortho- or peri-condensed with heterocyclic ring systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12—Antivirals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12—Antivirals
    • A61P31/14—Antivirals for RNA viruses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • the present invention relates to a new use for macrolide compounds such as sanglifehrins that bind to cyclophilins.
  • sanglifehrins are a class of polycyclic macrolide compounds initially isolated from actinomycete fermentation broths. Sanglifehrins have been found to exhibit activities to bind cyclophilins, and in the case of sanglifehrins A-D, immunosuppressive activities and inhibitory activities of both B-cell and T-cell proliferation. However, unlike the known immunosuppressant and anti-inflammatory compounds such as cyclosporine A and FK506, sanglifehrins do not have FKBP-binding activity or calcineurin inhibitory activity. Thus, sanglifehrins provide a novel category of drug substance both in terms of chemical structure and different activity profiles.
  • sanglifehrins and the methods for their preparation are described in WO 97/02285, WO 98/07743, and US 006124453.
  • the present invention provides the use of a cyclophilin-binding compound such as a sanglifehrin for the prevention or treatment of hepatitis C infections, HCV induced disorders, or inhibitors of peptidylprolyl cis-trans isomerase activity, or conditions associated with liver diseases.
  • a cyclophilin-binding compound such as a sanglifehrin for the prevention or treatment of hepatitis C infections, HCV induced disorders, or inhibitors of peptidylprolyl cis-trans isomerase activity, or conditions associated with liver diseases.
  • the agents may also be used for example as a prophylactic treatment of neonates born to HCV infected mothers or of healthcare workers exposed to the virus, or of transplant recipients, e.g. liver transplant recipients, to eliminate possible recurrent HCV infection after transplantation.
  • the present invention relates to the use of macrolides, referred to herein collectively as "sanglifehrins" in the prevention or treatment of hepatitis C infections.
  • Sanglifehrins are isolated from actinomycete fermentation broths.
  • Commonly known sanglifehrins include sanglifehrin A through D, e.g. of the formula
  • the macrocyclic ring of Sanglifehrins A to D is characterised in that i) positions 1 to 6 comprise a 3- carboxypiperidazinyl carboxylic acid residue, ii) positions 7 to 9 an aromatic alpha-amino acid residue, and iii) positions 10 to 12 an aliphatic alpha-amino acid residue.
  • the remainder of the macrocyclic ring is comprised by an hydroxy carboxylic acid residue, providing, in the case of Sanglifehrins A to D a further 11 carbon atoms in the primary macrocyclic ring.
  • Sanglifehrins A to D may also be characterised by the presence of a novel bicyclic Spiro system attached at the 23 position of the macrocyclic ring via a hydrocarbyl linker group.
  • Sanglifehrins A to D may be subjected to extensive chemical manipulation to obtain yet further macrolides of the Sanglifehrin class.
  • Such manipulations include cleavage of the macrocyclic ring, in particular at the lactone oxy-group, cleavage of the linker group between the macrolide and Spiro ring systems, and manipulation, e.g. protection, derivatization or other chemical modification of substituent groupings; for example, as hereinafter described. Further means of modification will be apparent to those skilled in the art.
  • Sanglifehrins have a characteristic and entirely novel profile in terms of their biological activity against hepatitis C infections. In particular they have been found to exhibit the combination of activities as hereinafter described. Sanglifehrins have an activity profile that differs from that of previously known immunosuppressant and antiinflammatory compounds such as cyclosporins and macrolides, e.g. of the rapamycin and NIM811 , indicating that the Sanglifehrins have a different mode of action than such compounds.
  • the Sanglifehrins provide a novel category of drug substance both in terms of structure and activity which may be anticipated to materially extend the bounds of immunosuppressive, antiinflammatory or antiviral therapy; for example, to avoid or reduce undesirable side effects of previous immunosuppressive and antiinflammatory therapies and/or to improve or extend such therapy to new disease areas or new patient categories.
  • Sanglifehrins e.g. in which the macrolide ring is in ring-opened form, in which the 26 and 27 positions in the hydrocarbyl linker between the macrolide and spiro ring systems are both hydroxy substituted, or in which the spiro residue attached to the macr ⁇ cyclic ring has been cleaved or truncated, generally lack some or all of the combination of Sanglifehrin characteristic activities.
  • Sanglifehrins in which the spiro residue is cleaved typically possess cyclophilin binding activity but do not possess significant immunosuppressive activity.
  • such compounds provide valuable components, intermediates or key building blocks for the preparation of further novel Sanglifehrins, and hence further extend the therapeutic potential of the Sanglifehrin class.
  • the bicyclic spiro system may also be viewed as providing a structural component with key biological significance, useful as a structural component for further derivatization or modification both in relation to the production of further Sanglifehrins or for application in the derivatisation or modification of other drug substances for example, to modify the activity of other immunosuppressive drug substances of the macrolide class.
  • the invention provides: a macrolide in which i) positions 2 to 6 inclusive of the macrocyclic ring are provided by a piperidazinyl carboxylic acid residue; and/or ii) positions 7 to 9 inclusive of the macrocyclic ring are provided by an aromatic .alpha.-amino acid residue; and/or iii) positions 10 to 12 inclusive of the macrocyclic ring are provided by an aliphatic .alpha.-amino acid residue, in free or protected form, or a salt thereof.
  • the macrolides of the invention comprise two, especially all three of the characteristic structural features i), ii) and iii). - A -
  • the piperidazinyl carboxylic acid residue is suitably a 1 ,2-piperidazin- 3-carboxy-1-yl residue of which the carboxy moiety occupies the 1 -position, and the 1 -nitrogen atom the 6- position of the macrocyclic ring, e.g. a residue of formula I
  • This residue may be ring substituted or unsubstituted. Suitably it is unsubstituted.
  • the carboxy moiety of the aromatic alpha-amino acid residue suitably occupies the 7- position of the macrocyclic ring, and the alpha-amino moiety the 9-position.
  • the aromatic alpha-amino acid is a substituted or unsubstituted phenylalanine, especially by hydroxy, methoxy, ethoxy, OnPr, OiPr, residues in free, protected or activated form.
  • the carboxy moiety of the aliphatic alpha-amino acid residue suitably occupies the 10- position of the macrocyclic ring, and the alpha-amino moiety the 12-position.
  • the aliphatic alpha- amino acid residue is a valine residue in free, protected or activated form.
  • the remainder of the macrocyclic ring suitably comprises a hydroxy carboxylic acid residue, the oxy-moiety of which completes the macrocyclic lactone linkage and the carbonyl moiety of which forms an amide linkage with the alpha-amino group at position 12 of the macrocyclic ring.
  • the said hydroxy carboxylic acid residue suitably has a chain length of from 6 to 20, more suitably 11 carbon atoms. It may be substituted or unsubstituted and/or contain one or more unsaturated linkages in particular cumulative double bonds along its length.
  • the remainder of the macrocyclic ring comprises a 11-oxy-undecanoyl-11-yl, especially 11-oxy-undeca-6,8-dienoyl-11-yl, residue optionally substituted, e.g. in the 2, 3, 4 and/or 5 positions.
  • the said hydroxy carboxylic acid residue is a residue of formula Il
  • R1 is H, OH or represents an extra bond and R2 is H or represents an extra bond;
  • R3 is H, and R4 is --CO-CH 3 or --CH(OH)-CH 3 or R3 and R4 together represent a structure of formula III
  • Preferred macrolides in accordance with the invention are accordingly those comprising a macrocylic ring of formula IV
  • X, Y and Z are residues i), ii) and iii) as defined above and A is a hydroxy carboxylic acid residue as defined above in free or protected form, or salt thereof; in particular a macrocyclic ring of formula V
  • the macrocyclic ring is substituted at the carbon atom adjacent the oxy moiety of the lactone bridge.
  • this substituent comprises a 1 -oxo-7- aza-spiro- ⁇ 5. 5 ⁇ -undecan-8-one-2-yl residue, e.g. of the formula Vl
  • the linker group may be substituted or unsubstituted and/or contain one or more unsaturated linkages in particular cumulative double bonds along its length.
  • the linker group may be methyl substituted, e.g. by two methyl groups.
  • the linker group may be further substituted by hydroxy, e.g. by three hydroxy substituents, and/or may be ethylenically unsaturated, e.g. contain two carbon-carbon double bonds.
  • the linker group comprises a 1 ,7-dimethyl- nonan-9-yl, especially a 1 ,7-dimethyl-non-1-en-9-yl or a 1 ,7- dimethyl- nona-1 ,3-dien-9-yl, residue optionally substituted, e.g. in the 3, 4, and/or 8 position.
  • the linker group is a group of formula VII
  • c represents linkage to the spiro residue
  • d represents linkage to the macrocyclic ring
  • R6 and R7 are each OH or together represent an additional bond, in free or protected form.
  • the linker group will generally be attached to the macrocyclic ring at the carbon atom immediately adjacent to the lactone oxy group, i. e. when the macrocyclic ring comprises an 11-oxy-undecanoyl-11 -yl residue, at the 11 position of thereof.
  • the compounds of formulae I to IX contain asymmetric carbon atoms and thus may exist in a number of epimeric forms. All of the possible epimers as well as diastereoisomeric mixtures thereof are encompassed in the invention. However, compounds of formulae VIII and IX in which the macrolide ring is in ring-closed form and which are of appropriate stereochemistry possess activities which are characteristics of Sanglifehrins, as herein referred to. Epimers which possess sanglifehrin characteristic activities are preferred. In general, e.g. for pharmaceutical use in accordance with the invention, epimers which possess sanglifehrin characteristic activities in pure or substantially pure form (i.e. free or substantially free of epimers which lack sanglifehrin characteristic activities), e.g. comprising at least 90%, e. g. at least 95% of active epimer (i.e. comprising less than 10%, e.g. less than 5% of inactive epimer) will be preferred.
  • 3-carboxypiperidazinyl carboxylic acid residue i) at positions 1 to 6 of the macrocyclic ring has the following conformation:
  • the aromatic amino acid ii) at positions 7 to 9 of the macrocyclic ring has the L configuration, e.g. is of configuration
  • the aliphatic amino acid iii) at positions 10 to 12 of the macrocyclic ring has the L configuration, e.g. is of configuration
  • the remainder of the macrocyclic ring comprises a residue of formula II, it preferably has the configuration
  • the 1 -oxo-7-aza-spiro- ⁇ 5.5 ⁇ -undecan-8-one-2-yl residue has the configuration
  • linker is of formula VII, it is preferably of configuration
  • the configuration at positions 26 and 27 is preferably either 26(S), 27(S) or 26(R), 27(R).
  • the configuration at positions 26 and 27 is preferably either 26(S), 27(S) or 26(R), 27(R).
  • the configuration at positions 26 and 27 is preferably
  • Co of the invention of formula IX preferably have the following conformation
  • R3 and R4 are fused together they are preferably of configuration
  • the compounds of the invention may be in free or protected form, e.g. in protected forms as described in "Protective Groups in Organic Synthesis" by T. W. Greene and P. G. M. Wuts, 2nd Edition, 1991 , John Wiley & Sons Inc., New York.
  • OH groups may be in protected form, e.g. in the form of silyl ethers (for instance as described in pages 68-86 of Greene and Wuts ibid.) , esters (see e.g. pages 87-103 of Greene and Wuts ibid) and carbonates (see e. g. pages 104- 111 of Greene and Wuts ibid).
  • Such protected forms also include internally protected forms; for example, in the case of macrolides of formula IX, wherein --g-h- is -CH(CH 3 )-CH(OH)-, the protected form wherein the 14 to 17 positions of the macrocyclic ring comprise a residue of formula X:
  • 1 ,3 diols present in Sanglifehrins may be protected as appropriate ring structures, e.g. as described on pages 118-142 of Greene and Wuts ibid.
  • compositions of the invention also exist in salt form.
  • suitable pharmaceutically acceptable salts for use in accordance with the invention include acid and base addition salts as appropriate having, regard to the particular substituents present in the compound, e.g. HCI salt forms.
  • the macrocyclic ring of the compounds of the invention can be cleaved, in particular at the lactone oxy group, to provide compounds wherein the macrocyclic ring is in ring-open form.
  • cleavage of the lactone oxy group proceeds by hydrolysis (solvolysis), e.g. to provide ring-open macrocycle compounds of formula Xl: R 6 O--X--Y--Z--A--OH Xl e.g. of formula XII
  • R6 is H or C 1-4 alkyl, e.g. methyl.
  • Such ring-opened forms provide intermediate means for modification of the basic Sanglifehrin macrocyclic ring system and are also part of the present invention.
  • the present invention provides: a macrolide as hereinbefore defined in ring-opened form, said ring- opened macrocycle being in free or protected form, or salt thereof; a compound R6 0--X-Y-Z-A-OH as defined above, in free or protected form, or salt thereof; a compound R6 O-X ⁇ Y-Z ⁇ A'-CH(OH)-L ⁇ S, wherein -A 1 - - CH(OH)- is a hydroxy carboxylic acid residue, e.g. a residue of formula II, as defined above, and the other symbols are as defined above, in free or protected form, or a salt thereof; a compound of formula XII 1 in free or protected form, or salt thereof; a compound of formula IX'
  • R8 is H or -C(O)-ORIO, wherein R10 is H or Me;
  • R9 is H or, when -a-b- is -(Me)CH-CH(OH)- and R is - C(O)-- OMe, R9 is Me, and
  • X is H when -N-- N-- represents a single bond between the two N atoms, or X together with -N-- N- represents a double bond between the two N atoms, in free or protected form or a salt thereof.
  • the invention provides compounds of formulae W, Y (Seco- sanglifehrin A), S (Seco-sanglifehrin B) and T
  • the invention also includes compounds in which the 1 -oxo-7-aza-spiro- ⁇ 5, 5 ⁇ -undecan-8-one- 2-yl ring system is in ring-opened form, e.g. a compound of formula XIII
  • a, b, L and M are as defined above, in free or protected form, or a salt thereof.
  • the ring-opened compounds of the invention are preferably of conformation as the preferred conformations identified above for ring- closed compounds.
  • the ring-opened spiro bicyclo ring system of compounds of formula XIII is preferably of conformation:
  • the invention provides a compound of formula Z (Sanglifehrin E) in free or protected form, or a salt thereof.
  • the compounds of formulae IX", S, T, W, Y, XIII and Z are useful intermediates for the preparation of sanglifehrins in general including ring closed forms and ring expanded ring closed forms.
  • the compounds of formulae IX" may be prepared by cleavage of the macrolide ring of a ring closed sanglifehrin, e.g. sanglifehrin A or B, at or in the vicinity of the lactone oxy group.
  • sanglifehrin A e.g. sanglifehrin A or B
  • the compounds of formula Y and T are prepared by treatment of sanglifehrin A under basic conditions, e.g. for the compound of formula III in the presence of an alkali metal hydroxide and e.g. for the compound of formula IV in the presence of methanol and an alkali metal carbonate.
  • compounds of formula IX may be obtained as isolates from cultures of a sanglifehrin producing microorganism.
  • the compounds of formula Y and S may be obtained as isolates from the cultures of Streptomyces sp. A92-308110 as hereinafter described.
  • the compound of formula Z may be obtained by cleavage of the spirobicyclic ring system between the nitrogen atom and the central atom of the spiro system.
  • the compound of formula Z may be obtained as an isolate from a culture of a sanglifehrin producing microorganism.
  • the isolation of the compound of formula Z from cultures of Streptomyces sp. A92-308110 is described in US6124453.
  • Macrolides in accordance with the invention having a spiro bicyclo residue attached to the macrocyclic ring may also be subjected to cleavage of the intervening linker group, e.g. in relation to formula IX, in particular at the linkage between residues 26 and 27 to yield separate novel Spirobicyclo compounds and further macrolides.
  • these compounds are useful as intermediates, the spiro bicyclic moiety of the Sanglifehrins in particular having an integral functional role in the biological activity of the Sanglifehrins as a class.
  • the present invention provides a 1-oxo-7-aza-spiro- ⁇ 5. 5 ⁇ -undecan-8-one- 2-yl, in free or protected form, or a salt thereof, in particular a compound of formula Vl'
  • R7. is H, an optionally protected OH group, a reactive functional group, or a CH 2 -CH(OH)-- CH(CH 3 )--CH 2 -CH 2 -CHO group or the delta lactol equivalent thereof, in free or protected form or salt thereof.
  • the compound of formula Vl' has the following configuration
  • the invention also includes a ring-open 1-oxo-7-aza-spiro- ⁇ 5.5 ⁇ -undecan-8-one-2-yl, in free or protected form, or a salt thereof, in particular a compound of formula XIII'
  • XIII 1 wherein -a ⁇ b ⁇ and R7 are as previously defined, in free or protected form, or a salt thereof.
  • the ring- opened spiro bicyclo ring system of compounds of formula XIII' is preferably of conformation:
  • ⁇ a ⁇ b ⁇ is -(Me)CH-(OH)-, it preferably has the configuration as previously defined.:
  • the invention also provides a macrolide of formula XIV
  • the invention also provides a particular macrolide of formula XVI
  • X is H, methoxy, ethoxy, OnPr, OiPr;
  • R14 and R15 are independently H, methyl, alkyl, (d-C-Oalkyl, (C r C 4 )-CO-CH 3 , or R14 and R15 are fused to form a 5 to 7 membered substituted or unsubstituted cycloalkyl: selected from e.g. formula XVII;
  • R16 is H, or Me or (d ⁇ alkyl;
  • R17 is H, OH, -O-(C 1 . 4 )alkyl or R14, R15 and R17 are fused to form a cycloalkyl of formula XVIII;
  • R23 may be substituted as described herein.
  • the invention includes the macrolides and compounds of the invention, in particular those which are natural products in substantially purified form, e.g. at least 90%, preferably at least 95%, especially at least 98% pure form.
  • Sanglifehrins A, B, C, and D are isolated from the novel Streptomyces sp. A92- 308110.
  • Samples of Streptomyces sp. A92-308110 are deposited with the Deutsche Sammlung von Mikroorganismen und Zelikulturen GmbH, Mascheroder Weg 1 b, D-38124 Braunschweig, Germany on the May 3, 1995 under the terms of the Budapest Treaty and have been assigned deposition number DSM 9954.
  • the isolation of Sanglifehrins A, B, C, and D from cultures of Streptomyces sp. A92-30810 is described in US6124453.
  • Macrolides in accordance with the invention e.g. compounds of formula IX; for example, Sanglifehrins A, B, C and D, and their pharmaceutically acceptable salts, hereinafter generically "agents of the invention", exhibit sanglifehrin characteristic activities, i.e. the following combination of activities: have cyclophilin binding activity; have inhibitory activity against peptidylprolyl cis-trans isomerase; have immunosuppressive activity; inhibit proliferation of both B-cells and T-cells; but do not have FK binding protein binding activity, and do not inhibit calcineurin activity.
  • sanglifehrin characteristic activities i.e. the following combination of activities: have cyclophilin binding activity; have inhibitory activity against peptidylprolyl cis-trans isomerase; have immunosuppressive activity; inhibit proliferation of both B-cells and T-cells; but do not have FK binding protein binding activity, and do not inhibit calcineurin activity.
  • Biological activity of macrolides of the invention for e.g. formula XVI may be demonstrated in standard in vitro and in vivo test methods, e.g. as follows.
  • Proliferative Response Of Lymphocvtes to Allogenic Stimulation may be prepared as follows. Spleen cells (2x10 5 ) from Balb/c mice (female, 8-10 weeks) are co-incubated for 4 days with 2x10 5 spleen cells from CBA mice (female, 8-10 weeks). The allogenic cells induce a proliferative response in the responder spleen cell population which is measured by labelled precursor incorporation into the DNA.
  • Macrolides invention e.g. compounds of formula IX and their pharmaceutically acceptable salts, e.g.
  • Spleen cells (2x10 5 ) from CBA mice are incubated for 48 hours with 50 .mu.g/ml LPS plus test compound. Proliferation is measured by labelled precursor incorporation into DNA.
  • Macrolides of the invention e.g. compounds of formula IX and their pharmaceutically acceptable salts, e.g. Sanglifehrins A, B, C and D, inhibit B-cell proliferation and have IC 50 in the range from about 40 up to about 100 micromolar. (Greaves, M. and J. Janossy, 1972, Elicitation of selective T and B lymphocyte response by cell surface binding ligands, Transplant Rev., 11 :87 Janossy, G. and M. F. Greaves, 1971 , Lymphocyte activation, I, Response of T and B lymphocytes to phytomitogens, Clin. Exp. Immunol. 9:483-498).
  • Cytotoxicity is determined using the human monocytic cell line THP1 (5x10 4 cells/well) which are incubated in the presence of IFNgamma (100 U/ml) and LPS (5 microgram/ml) plus test compound (up to 10 micromolar) for 24 to 72 h at 37. degree.
  • Living cells are quantified using the colourimetric read-out MTT which measures mitochondrial dehydrogenase enzymatic activity in living cells (Mossman 1983).
  • Macrolides of the invention e.g. compounds of formula IX and their pharmaceutically acceptable salts, e.g. Sanglifehrins A, B, C and D, have IC 50 of about 1000-5000 nM after 24 h incubation in this assay. (Mossman T. J. (1983), Rapid calorimetric assay for cellular growth and survival: application to proliferation and cytotoxic assays, J. Imm. Methods, 65, 55-63).
  • Mononuclear cells are prepared from the peripheral blood of healthy volunteers using Ficoll-Hypaque density separation according to the method of Hansell et al. (1991). Cells (10 5 cells/well in 200 microliters RPMI 10% FCS by volume) are incubated with serial dilutions of the test compounds for 30 min at 37.degree. C. prior to the addition of stimulus. Interferon gamma (100 U/ml) and LPS (5 microgram/ml) are used as stimuli to induce Tumour Necrosis Factor (TNF)alpha release by peripheral blood mononuclear cells. After 3 h incubation, the cells are centrifuged (1200 rpm for 10 min) and the supernatants are collected.
  • TNF Tumour Necrosis Factor
  • the amount of TNF present in the cell supernatants is determined using a commercially available enzyme- linked immunosorbent assay kit.
  • Macrolides of the invention e.g. compounds of formula IX and their pharmaceutically acceptable salts, e.g. Sanglifehrins A, B, C and D, have IC 50 in the range from about 200 nm to about 1000 nm when tested in this assay.
  • a suitable cyclophilin binding assay is the competitive ELISA test described by Quesniaux in Eur. J. Immunol. 1987 17 1359-1365. In this test, the compound to be tested is added during the incubation of cyclophilin (human recombinant cyclophilin A) with coated BSA- cyclosporin A and the concentration required to give a 50% inhibition of the control reaction without competitor is then calculated (IC 50 ).
  • An alternative assay is the competitive binding test described by Schneider et al. in Biochemistry (1994), 33, 8218-8224, which involves addition of test compound during the incubation of biotinylated cyclophilin (human recombinant cyclophilin A) with coated BSA- cyclosporin A.
  • the amount of biotinylated cyclophilin bound in the presence and absence of a test compound is determined by incubation with streptavidin-coupled alkaline phosphatase.
  • Macrolides of the invention e.g. compounds of formula IX, e.g. Sanglifehrin A. B, C and B, have IC 50 in the range from about 10 to about 100 nM, compared with an IC 50 of about 80 nM for cyclosporin A when tested in these assays.
  • IL-2 reporter gene assays and ConA-stimulated spleen cell assays (indicative of effect on T-cell activation).
  • Macrolides of the, invention e.g. compounds of formula IX, e.g. Sanglifehrin A, B, C and B, do not have FK binding protein binding activity and do not inhibit calcineurin activity when tested in standard tests for these activities.
  • Agents of the invention are useful as pharmaceuticals, e.g. as immunosuppressive as well as an anti-inflammatory and/or antiviral agents.
  • the agents of the invention have therapeutic use in inhibiting disorders associated with peptidylproly cis-trans isomerase (PPIase) activity.
  • PPIases are a type of cyclophilin which serve to accelerate protein folding by catalyzing the cis-trans isomerization of proline imidic peptide bonds in oligopeptides.
  • Macrolides of the invention bind to cyclophilins and inhibit PPI activity.
  • Agents of the invention are also useful for the treatment of autoimmune disease and of inflammatory conditions, in particular inflammatory conditions with an aetiology including an autoimmune component such as arthritis (for example rheumatoid arthritis, arthritis chronica progrediente and arthritis deformans) and rheumatic diseases.
  • an autoimmune component such as arthritis (for example rheumatoid arthritis, arthritis chronica progrediente and arthritis deformans) and rheumatic diseases.
  • arthritis for example rheumatoid arthritis, arthritis chronica progrediente and arthritis deformans
  • rheumatic diseases for example rheumatoid arthritis, arthritis chronica progrediente and arthritis deformans
  • the present invention also provides:
  • a method for preventing or treating hepatitis C infections or HCV induced disorders such as liver fibrosis, liver cirrhosis and hepatocellular carcinoma in a subject in need thereof comprising administering to said subject a therapeutically effective amount of a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _ alone or in combination with one or more co-agents.
  • a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _ alone or in combination with one or more co-agents.
  • a method for inhibiting HCV replication in a medium comprising applying to this medium an effective amount of a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _.
  • a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _.
  • a method for inhibiting HCV replication in a patient in need thereof comprising administering to this subject a therapeutically effective amount of a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _.
  • a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _.
  • a method for preventing the recurrence of HCV infection in a transplant recipient in need thereof comprising administering to said recipient a therapeutically effective amount of a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _.
  • a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula _.
  • a cyclophilin-binding compound such as a sanglifehrin in the preparation of a pharmaceutical composition for use in any method as defined above.
  • a pharmaceutical composition for use in any method as defined above comprising a cyclophilin-binding compound such as a sanglifehrin together with one or more pharmaceutically acceptable diluents or carriers therefor.
  • sanglifehrins of the invention which possess cyclophilin binding activity, may be useful as reagents in displacement immunoassays for cyclosporins and other cyclophilin binding compounds, for example in the assay procedure described patent application WO 95/07468.
  • This patent application relates to an assay procedure for determining the concentration of an immunophilin-binding pharmaceutical, e.g. Cyclosporin, in blood; the procedure comprising adding a binding competitor that displaces the pharmaceutical from immunosuppressant- immunophilin complexes in the blood; adding a receptor that binds to the pharmaceutical but not significantly to the binding competitor; separating the receptor-pharmaceutical complex from the sample; and determining the amount of the pharmaceutical.
  • an immunophilin-binding pharmaceutical e.g. Cyclosporin
  • Sanglifehrins may be used as the binding competitor in such assays; for instance, to displace cyclosporins from cyclophilins, thereby releasing the cyclosporin for quantitation, e.g. by a monoclonal antibody which is specific for the cyclosporin.
  • a pharmaceutical combination comprising a) a first agent which is a cyclophilin-binding compound such as a sanglifehrin e.g. a compound of formula I, and b) a co-agent, e.g. one or more drug agents as provided herein.
  • a first agent which is a cyclophilin-binding compound such as a sanglifehrin e.g. a compound of formula I
  • a co-agent e.g. one or more drug agents as provided herein.
  • a method as defined above comprising co-administration, e.g. concomitantly or in sequence, of a therapeutically effective amount of a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula I, and a co-agent, e.g. one or more drug agents as provided herein.
  • a cyclophilin-binding compound such as a sanglifehrin, e.g. a compound of formula I
  • a co-agent e.g. one or more drug agents as provided herein.
  • the compound of the invention may be administered by any conventional route, in particular enterally, e.g. orally, for example in the form of solutions for drinking, tablets or capsules or parenterally, for example in the form of injectable solutions or suspensions.
  • enterally e.g. orally
  • Preferred pharmaceutical compositions may be e.g. those based on microemulsions as described in UK 2,222,770 A.
  • suitable co-agents can be co-administered in combination or alternation treatment.
  • co-administration or “combined administration” or the like as utilized herein are meant to encompass administration of the selected therapeutic agents to a patient, and are intended to include treatment regimens in which the agents are not necessarily administered by the same route of administration or at the same time. Fixed combinations are also within the scope of the present invention.
  • the administration of a pharmaceutical combination of the invention results in a beneficial effect, e.g. a synergistic or additive therapeutic effect, compared to monotherapy whereby only one of the pharmaceutically active ingredients is applied.
  • Co-agents suitable for co-administration with the compound of the invention include but are not limited to:
  • Interferons or conjugates of interferons such as:
  • Alferon® a mixture of natural alpha interferons (Interferon Sciences, and Purdue Frederick Co., CT),
  • Conjugated interferons include, for example, Albuferon (Human Genome Science) which is conjugated to human albumin. Interferon conjugated to a water-soluble polymer or polyalkylene oxide homopolymers such as polyethylene glycol (PEG) or polypropylene glycols, polyoxyethylenated polyols, copolymers thereof and block copolymers thereof.
  • PEG polyethylene glycol
  • polypropylene glycols polyoxyethylenated polyols
  • copolymers thereof copolymers thereof and block copolymers thereof.
  • polyalkylene oxide-based polymers effectively non-antigenic materials such as dextran, polyvinyl pyrrolidones, polyacrylamides, polyvinyl alcohols, carbohydrate-based polymers and the like can be used.
  • Interferon-polymer conjugates are described in US 4766106, US 4917888, EPA 0 236 987, EPA 0 510 356 and WO 95/13090. Since the polymeric modification sufficiently reduces antigenic responses, the foreign interferon need not be completely autologous. Interferon used to prepare polymer conjugates may be prepared from a mammalian extract, such as human, ruminant or bovine interferon, or recombinantly produced.
  • interferons include interferon beta, gamma, tau and omega, such as Rebif ( Interferon beta 1a) by Serono, Omniferon (natural interferon) by Viragen, or Omega Interferon by Boehringer Ingelheim;
  • Oral interferons such as oral interferon alpha by Amarillo Biosciences;
  • interferons include pegylated interferon alpha, for example pegylated interferon D-2a, pegylated interferon D-2b, pegylated consensus interferon or pegylated purified interferon-D product.
  • Pegylated interferon ⁇ -2a is described in European Patent 593,868 (incorporated herein by reference in its entirety) and commercially available e. g. under the trade name PEGASYS ® (Hoffmann-La Roche).
  • Pegylated interferon- D -2b is described, e.g. in European Patent 975,369 (incorporated herein by reference in its entirety) and commercially available e.g. under the trade name PEG- INTRON A ® (Schering Plough).
  • Pegylated consensus interferon is described in WO 96/11953 (incorporated herein by reference in its entirety).
  • Antiviral agents may be compounds or biologicals that are effective to inhibit the formation and/or replication of a virus in a mammal. This includes agents that interfere with either host or viral mechanisms necessary for the formation and/or replication of a virus in a mammal such as ribavirin (1-beta-D-ribofuranosyl-1 H-1 ,2,4-triazole-3-carboxamide) from Valeant Pharmaceuticals, Inc., Costa Mesa, CA, RebetoKD from Schering-Plough Corporation, Kenilworth, NJ, and Copegus® from Hoffmann-La Roche, Nutley, NJ, ribavirin analogues in development such as Levovirin and Viramidine by Valeant, and Mizoribine Monophosphate;
  • Inhibitors of HCV NS3-4A serine protease such as substrate-based protease inhibitors (Attwood et al., Antiviral peptide derivatives, PCT WO 98/22496, 1998; Attwood et al., Antiviral Chemistry and Chemotherapy 1999, 10, 259-273; Attwood et al, Preparation and use of amino acid derivatives as anti-viral agents, German Patent Pub. DE 19914474; Tung et al.
  • Inhibitors of serine proteases particularly hepatitis C virus NS3 protease; PCT WO 98/17679), including alphaketoamides and hydrazinoureas, and inhibitors that terminate in an electrophile such as a boronic acid or phosphonate (Llinas-Brunet et al. Hepatitis C inhibitor peptide analogues, PCT WO 99/07734);
  • Protease inhibitors disclosed in U.S. patents for the treatment of HCV for example, U.S. Patent No. 6,004,933 to Spruce et al which discloses a class of cysteine protease inhibitors for inhibiting HCV endopeptidase 2; U.S. Patent No. 5,990,276 to Zhang et al which discloses synthetic inhibitors of hepatitis C virus NS3 protease; U.S. Patent No.
  • Non-substrate-based NS3 protease inhibitors such as 2,4,6-trihydroxy-3-nitro- benzamide derivatives (Sudo K. et al., Biochemiscal and Biophysical Research Communications, 1997, 238 643-647; Sudo K. et al. Antiviral Chemistry and Chemotherapy, 1998, 9, 186), including RD3-4082 and RD3-4078;
  • HCV NS3-4A serine protease inhibitors including BILN 2061 by Boehringer Ingelheim, VX-950 by Vertex, SCH-503034 and SCH-351633, by Schering-Plough, and other HCV protease inhibitors in preclinical and clinical development by GlaxoSmithKline, Bristol Myers Squibb, Abbot, Roche, Merck, Pfizer, and Gilead;
  • RNA-dependent RNA polymerase such as 2'-C- methyl-3'-O-L-valine ester ribofuranosyl cytidine (NM283, Idenix) as disclosed in WO 2004/002422.
  • Branched nucleosides disclosed by Idenix Pharmaceuticals for the use of treatment of flaviviruses (including HCV) and pestiviruses in International Publication Nos. WO 01/90121 and WO 01/92282 (incorporated herein by reference in their entireties).
  • a method for the treatment of hepatitis C infection (and flaviviruses and pestiviruses) in humans and other host animals is disclosed in the Idenix publications that includes administering an effective amount of a biologically active 1', 2', 3' or 4'-branced B-D or B-L nucleosides or a pharmaceutically acceptable salt or prodrug thereof, administered either alone or in combination with another antiviral agent, optionally in a pharmaceutically acceptable carrier.
  • Nucleoside analogs in other patent applications disclosing the use of treatment of hepatitis C virus include: PCTCAOO/01316 (WO 01/32153; filed November 3, 2000) and PCT/CA01/00197 (WO 01/60315; filed February 19, 2001) filed by BioChem Pharma, Inc., (now Shire Biochem, Inc.); PCT/US02/01531 (WO 02/057425; filed January 18, 2002) and PCT/US02/03086 (WO 02/057287; filed January 18, 2002) filed by Merck & Co., Inc., PCT/EP01 /09633 (WO 02/18404; published August 21 , 2001) filed by Roche, and PCT Publication Nos. WO 01/79246 (filed April 13, 2001), WO 02/32920 (filed October 18, 2001) and WO 02/48165 by Pharmasset, Ltd. (the disclosures of which are incorporated herein by reference in their entireties)
  • Nucleoside analogues and 2'-modified nucleosides disclosed in Bhat et al. Oral Session V, Hepatitis C Virus, Flaviviridae, 2003 (Oral Session V, Hepatitis C Virus, Flaviviridae; 16 th International conference on Antiviral Research (April 27, 2003, Savannah, Ga); p A75);
  • Preclinical compounds include R803 (Rigel), JTK-003 (Japan Tabacco), HCV-086 (ViroPharma/Wyeth), R-1479 (Roche);
  • HCV NS3 helicase inhibitors such as VP_50406 by ViroPhama and compounds from Vertex, other helicase inhibitors disclosed in U.S. Patent No. 5,633,388 and PCT WO 97/36554;
  • Antisense molecules directed against HCV genome or any cellular component that is required for viral replication Phosphorothioate oligodeoxynucleotides (S-ODN) complementary to sequence stretches in the 5' non-coding region (NCR) of the virus (Alt M. et al., Hepatology, 1995, 22, 707-717), or nucleotides 326-348 comprising the 3' end of the NCR and nucleotides 371-388 located in the core coding region of the HCV RNA (Alt M. et al., Archives of Virology, 1997, 142, 589-599; Galderisi U.
  • S-ODN Phosphorothioate oligodeoxynucleotides
  • IRES-dependent translation Inhibitors of I RES-dependent translation (Ikeda N et al., Agent for the prevention and treatment of hepatitis C, Japanese Patent Pub. JP-08268890; Kai Y et al. Prevention and treatment of viral diseases, Japanese Patent Pub. JP-10101591); such as ISIS 14803 by lsis Pharm/Elan, IRES inhibitors by PTC Therapeutics, Anadys, Immusol, RiboTargets, and SomaGenics;
  • Ribozymes such as nuclease-resistant ribozymes (Maccjak, DJ. et al., Hepatology 1999, 30, abstract 995) and those directed in U.S. Patent No. 6,043,077 to Barber et al., and U.S. Patent Nos. 5,869,253 and 5,610,054 to Draper et al. (incorporated herein by reference in their entireties) for example, HEPTAZYME by RPI, and Sirna Therapeutics Inc.;
  • An inhibitor of other targets in the HCV life cycle including viral entry, assembly and maturation such as Celgosivir (MBI 3253), a glycoprotein processing inhibitor by Migenix, fusion inhibitor by Trimeris, ACH-0137171 by Achillion;
  • Receptor agonists such as toll like receptor (;TLR') agonists include ANA245, ANA971 , ANA975 (US 5041426, 4880784) by Anadys; CpG-10101 a TLR-9 agonist (Coley Pharmaceuticals); an IMPDH inhibitor, mycophenolic acid, a salt or a prodrug thereof sodium mycophenolate or mycophenolate mofetil, or Merimebodib (VX-497, by Vertex); thymosin alpha-1 (Zadaxin or its combination, by SciClone); SCV-07 (SciClone), Belerofon (improved IFN- ⁇ by Nautilus); CIVACIR (hepatitis C Immune Globulin) by NABI, or a S1 P receptor agonist, e.g.
  • FTY720 or analogue thereof optionally phosphorylated, e.g. as disclosed in EP627406A1 , EP778263A1 , EP1002792A1 , WO02/18395, WO02/76995, WO 02/06268, JP2002316985, WO03/29184, WO03/29205, WO03/62252 and WO03/62248, the disclosures of which are incorporated herein by reference in their entireties; Resiquimod [VML 600] by 3M Pharmaceuticals, an imiquimod analogue that is a potent inducer of interferon- ⁇ and other cytokines; (16) An anti-fibrotic agent, such as a N-phenyl-2-pyrimidine-amine derivative, imatinib (Gleevac), IP-501 by Indevus, and Interferon gamma 1 b from InterMune, Pirfenidone (Multiple: TGF Beta agonist, FGF antagonist, PDGF antagonist) by Intermune, Mar
  • Therapeutic vaccines by lntercell Therapeutic vaccines by lntercell (Therapeutic peptide vaccine IC41 HCV), Epimmune/Genecor, Merix, Tripep (Chiron-VacC), immunotherapy (Therapore) by Avant, T cell therapy by CellExSys, monoclonal antibody XTL-002 by STL, ANA 246 and ANA 246 by Anadys, a therapeutic vaccine directed to E2 by Innogenetics, mAb against E2 envelope protein by XTL Bio, GI-5005 (Globelmmune Inc), InnoVac-C (WO 9967285, Innogenetics), IC- 41 (lntercell), interferon alfa-n3 (Interferon Sciences), Engerix B (SmithKline Beecham);
  • Ursodiol EP00269516, Axcan Pharma
  • HE-2000 a DHEA analog, Colthurst Ltd
  • EHC-18 an immunomodulator, Enzo biochem
  • histamine dihydrochloride an H2 agonist, WO09104037, Estero-Anstalt
  • 1-amino-alkylcyclohexanes U.S. Patent No. 6,034,134
  • alkyl lipids U.S. Pat. No. 5,922,757
  • vitamin E and other antitoxidants U.S. Patent. No. 5,922,757
  • bile acids U.S. Pat. No.
  • N-(phosphonoacetyl)-L-aspartic acid N-(phosphonoacetyl)-L-aspartic acid, benzenedicarboxamides, polyadenylic acid derivatives, glycosylation inhibitors, and nonspecific cytoprotective agents that block cell injury caused by the virus infection;
  • a cyclophilin-binding compound or therapeutic agent such as sanglifehrin in treating diseases and conditions as hereinabove specified may be demonstrated in standard in vitro or clinical tests, e.g. in accordance with the methods described hereinafter.
  • the HCV replicon cell line, clone A is licensed from Apath, LLC.
  • the cells are cultured in Dulbecco's modified Eagle's medium (DMEM, Gibco), containing 10% heat- inactivated fetal bovine serum (FBS, Gibco), 2 mM L-glutamine, 1x nonessential amino acids (Gibco), and 1 mg/ml G418 (Invitrogen, Carlsbad, CA).
  • DMEM Dulbecco's modified Eagle's medium
  • FBS heat- inactivated fetal bovine serum
  • 2 mM L-glutamine 2 mM L-glutamine
  • 1x nonessential amino acids Gabco
  • 1 mg/ml G418 Invitrogen, Carlsbad, CA.
  • HCV replicon cells (clone A) are treated with compounds serially diluted in DMEM supplemented with 2% FBS and 0.5% DMSO for 48 h, then the total intracellular RNA was extracted, and the level of HCV RNA is determined by a real-time quantitative RT-PCR (Taqman) using HCV-specific primers (5'-TCT TCA CGC AGA AAG CGT CTA-3' and 5'-CTG GCA ATT CCG GTG TAC T-3) Sequence ID No: 1 and probe (5'-6-FAM-TCC TGG AGG CTG CAC GAC ACT CAT A-TAMRA-3') Sequence ID No: 2.
  • IC 50 is the concentration of the compound at which the HCV RNA level in the replicon cells is reduced by 50%.
  • MTS tetrazolium compound
  • a total of 15-30 patients with hepatitis C viral infection are enrolled in a study of 2-12 weeks. Each patient receives a therapeutic effective dose of a cyclophilin-binding compound such as a sanglifehrin.
  • the serum levels of viral RNA load are monitor over the course of treatment and in a follow-up period of 2 weeks typically for all patients.
  • the length of treatment and dosages required to achieve sustained virological responses in hepatitis C patients are to be determined in further clinical trials involving greater number of patients and longer treatment time of up to 12 months with 6 months follow-up.
  • Daily dosages required in practicing the method of the present invention will vary depending upon, for example, the cyclophilin-binding compound employed, the host, the mode of administration, the severity of the condition to be treated.
  • Sanglifehrin may be administered as the sole ingredient or together with other drugs, e.g. a drug which has anti-HCV activities, e.g. an interferon alpha, a pegylated interferon alpha, ribavirin, an HCV polymerase inhibitor such as NM283, or an HCV protease inhibitor such as SCH503034 and VX-950.
  • a drug which has anti-HCV activities e.g. an interferon alpha, a pegylated interferon alpha, ribavirin, an HCV polymerase inhibitor such as NM283, or an HCV protease inhibitor such as SCH503034 and VX-950.
  • Daily dosages with respect to the co-agents used will vary depending upon, for example, synergistic effects with the compound employed, the host, the mode of administration and the severity of the condition to be treated.

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Abstract

La présente invention a trait à l'utilisation d'un composé de type macrolide tel qu'une sangliféhrine pour le traitement et la prévention de l'hépatite C et de maladies associées telles que la fibrose hépatique, la cirrhose du foie et le carcinome hépatocellulaire.
PCT/US2006/023394 2005-06-17 2006-06-15 Utilisation de sangliféhrine dans le virus de l'hépatite c WO2006138507A1 (fr)

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JP2008517117A JP2008546708A (ja) 2005-06-17 2006-06-15 Ｈｃｖにおけるサングリフェリンの使用
US11/917,781 US20090221598A1 (en) 2005-06-17 2006-06-15 Use of Sanglifehrin in HCV
MX2007016068A MX2007016068A (es) 2005-06-17 2006-06-15 Uso de sanglifehrina en hcv.
AT06784962T ATE524183T1 (de) 2005-06-17 2006-06-15 Verwendung von sanglifehrin bei der hcv-therapie
BRPI0613142-5A BRPI0613142A2 (pt) 2005-06-17 2006-06-15 uso de sangliferina em hcv
EP06784962A EP1893211B1 (fr) 2005-06-17 2006-06-15 Utilisation de sangliféhrine dans le virus de l'hépatite c
AU2006259348A AU2006259348B2 (en) 2005-06-17 2006-06-15 Use of sanglifehrin in HCV
CA002611151A CA2611151A1 (fr) 2005-06-17 2006-06-15 Utilisation de sanglifehrine dans le virus de l'hepatite c
TNP2007000477A TNSN07477A1 (en) 2005-06-17 2007-12-14 Use of sanglifehrin in hcv
NO20080351A NO20080351L (no) 2005-06-17 2008-01-16 Anvendelse av sanglifehrin i HCV

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WO2011098809A1 (fr) 2010-02-09 2011-08-18 Biotica Technology Limited Complexes à base de sangliféhrine
WO2011098808A1 (fr) 2010-02-09 2011-08-18 Biotica Technology Limited Composés à base de sangliféhrine
WO2011144924A1 (fr) 2010-05-17 2011-11-24 Biotica Technology Limited Amine ou analogues d'amide de sanglifehrine
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WO2012085553A1 (fr) 2010-12-20 2012-06-28 Biotica Technology Limited Dérivés de sanglifehrine et procédés pour leur production
WO2012131377A1 (fr) 2011-03-29 2012-10-04 Biotica Technology Limited Composés macrocycliques et leurs procédés de production
WO2013061052A1 (fr) 2011-10-24 2013-05-02 Biotica Technology Limited Nouvelle forme pharmaceutique
WO2013185103A1 (fr) 2012-06-08 2013-12-12 Gilead Sciences, Inc. Inhibiteurs macrocycliques des virus flaviviridae
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WO2013185093A1 (fr) 2012-06-08 2013-12-12 Gilead Sciences, Inc. Inhibiteurs macrocycliques de virus flaviviridae

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US20110117055A1 (en) 2009-11-19 2011-05-19 Macdonald James E Methods of Treating Hepatitis C Virus with Oxoacetamide Compounds
WO2012145427A1 (fr) 2011-04-18 2012-10-26 The Trustees Of Columbia University In The City Of New York Méthodes de traitement du cancer à l'aide de cyclosporine et de dérivés de cyclosporine

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